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2 years ago

Find the midpoint of (-8,-10) and (8,0)

Mathematics

1 answer:

Allisa [31]2 years ago

6 0

Answer:

(0,-5)

Step-by-step explanation:

You just have to find the middle of each one

From -8 to 8 there are 16 numbers so you divide 16 by 2 which would be 8 and add that to -8 giving you 0

From -10 to 0 there are 10 numbers divided by 2 is 5 so you add 5 to -10 giving you -5

This makes your midpoint (0,-5)

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Which of the following are coefficient

malfutka [58]

Answer:

2 and -3

Step-by-step explanation:

because a coefficient is a numerical or constant quantity placed before and multiplying the variable in an algebraic expression (e.g. 4 in 4x).

so in 2x-3y+5, 2 and -3 are the coefficients.

4 0

3 years ago

Asap math. .........

Mademuasel [1]

Answer: 15

Step by step explanation:

4 0

3 years ago

A rectangle has an area of 900square inches. The length of the rectangle is 2.25 times the width.Find the dimensions

Alexeev081 [22]

Answer:

Length = 45 inches and Width = 20 inches

Step-by-step explanation:

Let the width be w.

Length(l)=2.25w

Area = 900 in^2

The formula for the area of a rectangle is Area = length * width

So substituting our values we get:

$A=2.25w*w\\900=2.25w*w\\2.25w^2=900\\w^2=\frac{900}{2.25} \\w^2=400\\w=\sqrt{400} \\w=20$

So we get width = 20 inches

Length = 2.25w

so Length= 2.25*20

=45 inches

3 0

3 years ago

Can someone help me?

horrorfan [7]

Hi Eli!

--------------------------------------

We Know:

1 1/2 cups of flour.

3/4 cup of white sugar.

1/8 cup of brown sugar.

--------------------------------------

Part A:

I can't use a number line answering this question but you can create one with the steps I tell you.

First find common denominators:

1 1/2 = 3/2 = 12/8

3/4 = 6/8

1/8

Create a number that goes from 0/8 to 12/8, which means put a number with 12, 1/8 plots on it. Then plot 12/8, 6/8, and 1/8 in order in the number line.

Find out the total number of cups used:

12/8 + 6/8 + 1/8 = 19/8

Simplify:

19/8 = 2 3/84

Part A Answer: There are 2 3/8 cups used all together.

--------------------------------------

Part B:

Part B Answer: The 3 cup bowl would work perfectly.

Why: The reason you would want to choose the 3 cup bowl is because it fits all the ingredients perfectly, the 3 cup bowl is greater than the 2 3/8 cups they used. You can't use 2 cups because it is less than the total cups of ingredients. The 4 bowl you could use but it is too big.

--------------------------------------

Hope This Helps :)

4 0

2 years ago

The length a rectangle is 4 feet less than three times the width, and the area of a rectangle is 55 ft.? find the dimensions of

liubo4ka [24]

Answer:

width = 5 feet

length = 11 feet

Step-by-step explanation:

Using one variable and setting up two expressions equal to the total area of the rectangle will determine the dimensions of the rectangle.

w = width

l = '4 feet less than three times the width' or 3w - 4

Area = length x width

A = w(3w - 4) = 55

Distribute: 3w² - 4w = 55

Set equation equal to '0': 3w² - 4w - 55 = 0

Multiply 3 x -55 = -165 and find two factors with a product of -165 and sum of -4: -15 and 11.

3w² - 15w + 11w - 55

Group and find the GCF (greatest common factor):

3w(w - 5) + 11(w - 5)

(3w + 11)(w - 5) = 0

3w + 11 = 0 and w - 5 = 0

w = -11/3 not possible to have negative measurement

w = 5 feet

Solve for length: 3(5) - 4 = 11 feet

7 0

3 years ago